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    Verified generator installs reviews

Find Generator install pros in Holbrook

CPT Electric
5.0(
62
)
Fixed Generator - InstallPortable Generator - Install

Serving Holbrook, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Small jobs welcome

Customers say: Quality work

"New to the area, I needed a hookup for an emergency generator and EV charger. Cole came to my home, took the time to discuss different options and answer questions, and provided a detailed, written estimate, all the same day as my initial inquiry. The project was completed within a few days. His price was very competitive and his work meticulous. A true professional."
Response time9 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for Morris Electric
Morris Electric
4.9(
30
)
Portable Generator - Install

Serving Holbrook, NY and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quick response

"He made room in my electrical panel by installing double circuit-breakers to accommodate my home. Based on the work and how they presented themselves, I would recommend them. Very clean and professional, and I would hire them again in a heartbeat. Their price was reasonable, the work was great, and it was an overall pleasant experience."
Lake Ronkonkoma House
Lake Ronkonkoma House
200amp upgrade
200amp upgrade
200amp upgrade

+3

Response time2 hrs
5 neighbors recently requested a quote
Recommended by93%of homeowners
Leone & Sons Electric
4.8(
56
)
Fixed Generator - InstallPortable Generator - Install

Serving Holbrook, NY and surrounding areas

Approved

In business since 2016

Credit card accepted

Customers say: Quality work

"Vinny was an excellent electrician. From start to finish, he was easy to deal with and we had clear communication throughout the entire process. He provided great service at a fair price and did a very good job installing light fixtures, repairing broken outlets, and installing a 40amp outlet so I can charge my electric car. I would recommend him and do business with him again."
Response time12 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Wilburforce Electric LLC
5.0(
8
)
Portable Generator - Install

Serving Holbrook, NY and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"They were extremely honest, courteous, need and fair. We had them install all of the electric for my pool equipment, lights etc. and run electric to the dock for boat power. They were so good, we had them come back and re run all the electrical in the downstairs of our house including new outlets, lights etc. we also had them upgrade our panel to a 200 amp. I can not say enough about how clean and easy they were to work withâ ¦.I would recommend them 100%!"
Response time3 hrs
Recommended by100%of homeowners
Avatar for A/C Performance Power, Inc.
A/C Performance Power, Inc.
5.0(
4
)
Generator - Repair - For Business

Serving Holbrook, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Jim, the Owner provided timely, Expert generator repair, to get a 15 year old 30KW generator that hadnâ  t run in years operational in 30 minutes. We were fortunate to find him, and appreciate his skill, integrity...truly a consummate Professional ! 5+ Star recommendation"
Generator repair
Generator repair
Generator repair
Generator repair
Generator repair

+27

Response time9 hrs
Recommended by100%of homeowners
Avatar for Mister Sparky
Mister Sparky
5.0(
5
)
Portable Generator - Install

Serving Holbrook, NY and surrounding areas

Approved

Free estimates

Credit card accepted

As the owner of our local Mister Sparky franchise, I want to personally thank you for considering us for your electrical needs. My team and I are dedicated to providing top-notch service because we believe that every customer deserves the best.\n\nThank you for putting your trust in us.

Gallery
41 neighbors recently requested a quote
Avatar for R.C.K. Electric, Inc.
R.C.K. Electric, Inc.
4.3(
19
)
Portable Generator - Install

Serving Holbrook, NY and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Ryan Did an excellent job. Installed a light fixture and a driveway motion light. He came on time and did the job very professionally. I would use RCK again the next time I need any electric work."
Response time5 hrs
Recommended by93%of homeowners
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Generator Install questions, answered by experts

In many cases, yes. There are models called dual-fuel generators and fuel switches, but only between certain types of fuel. For example, with the right setup you can convert a generator from natural gas to propane. Some allow switching between diesel and gasoline. There are even tri-fuel generators available in some cases, which adds a large layer of security if you are worried about fuel availability in times of crisis. Always check your generator capabilities and manual instructions before trying to switch fuels. Some generators can use another fuel but may need a fuel conversion kit to prep them first.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

Most homeowners won't be able to claim a home generator as a tax write-off. However, a whole-house generator may be tax-deductible in certain situations depending on its purpose. For instance, if it's needed to power essential medical equipment, it may qualify as a medical expense deduction. Also, in some cases, businesses can deduct a generator as a business expense if it supports operations. Always consult a tax professional to determine eligibility based on your specific circumstances and the applicable IRS regulations.

The Holbrook, NY homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.